Solar panel



FIG. 1 is a front, top, and right side perspective view of a solar panel;

FIG. 2 is a front elevational view thereof, the rear elevational view forming no part of the claimed design;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of the top plan view shown;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image of the left side elevational view shown; and,

FIG. 5 is a detail view along line 5-5 in FIG. 2.

The broken lines show portions of the solar panel that form no part of the claimed design. 

CLAIM The ornamental design for a solar panel, as shown and described. 